/*
 * Copyright (c) 2023. Baidu, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *    http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 */

package com.baidu.bifromq.sessiondict;

import static com.baidu.bifromq.type.MQTTClientInfoConstants.MQTT_CLIENT_ID_KEY;
import static com.baidu.bifromq.type.MQTTClientInfoConstants.MQTT_USER_ID_KEY;

import com.baidu.bifromq.type.ClientInfo;

public class WCHKeyUtil {
    public static String toWCHKey(ClientInfo clientInfo) {
        return toWCHKey(clientInfo.getMetadataOrDefault(MQTT_USER_ID_KEY, ""),
            clientInfo.getMetadataOrDefault(MQTT_CLIENT_ID_KEY, ""));
    }

    public static String toWCHKey(String userId, String clientId) {
        return userId + clientId;
    }
}
